Grille surface



FIG. 1 is an elevated front left perspective view of a grille surfaceshowing our new design, the broken line showing being for illustrativepurposes only, and forms no part of the claimed design.

FIG. 2 is a plan view of the grille surface design of FIG. 1.

FIG. 3 is a front view of the grille surface design of FIG. 1.

FIG. 4 is a right view of the grille surface design of FIG. 1; and,

FIG. 5 is a left view of the grille surface design of FIG. 1.

The ornamental design for a grille surface, as shown and described.